<template>
  <div class="app-container calendar-list-container">
    <div class="filter-container">
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                :placeholder="$t('table.userName')" v-model="listQuery.name">
      </el-input>
      <el-select clearable style="width: 90px" class="filter-item" v-model="listQuery.importance"
                 :placeholder="$t('table.importance')">
        <el-option v-for="item in importanceOptions" :key="item" :label="item" :value="item">
        </el-option>
      </el-select>
      <el-button class="filter-item" type="primary" v-waves icon="el-icon-search" @click="handleFilter">
        {{$t('table.search')}}
      </el-button>
      <el-button class="filter-item" style="margin-left: 10px;" @click="handleCreate" type="primary"
                 icon="el-icon-edit">{{$t('table.add')}}
      </el-button>
      <el-button class="filter-item" type="primary" :loading="downloadLoading" v-waves icon="el-icon-download"
                 @click="handleDownload">{{$t('table.export')}}
      </el-button>
    </div>

    <el-table :key='tableKey' :data="list" v-loading="listLoading" element-loading-text="给我一点时间" border fit
              highlight-current-row
              style="width: 100%">
      <el-table-column align="center" :label="$t('table.id')" width="65">
        <template slot-scope="scope">
          <span>{{scope.row.id}}</span>
        </template>
      </el-table-column>
      <!--<el-table-column width="150px" align="center" :label="$t('table.date')">-->
      <!--<template slot-scope="scope">-->
      <!--<span>{{scope.row.timestamp | parseTime('{y}-{m}-{d} {h}:{i}')}}</span>-->
      <!--</template>-->
      <!--</el-table-column>-->
      <el-table-column min-width="150px" :label="$t('table.userName')">
        <template slot-scope="scope">
          <span>{{scope.row.name}}</span>
        </template>
      </el-table-column>

      <!--<el-table-column min-width="150px" :label="$t('table.email')">-->
      <!--<template slot-scope="scope">-->
      <!--<span>{{scope.row.email}}</span>-->
      <!--</template>-->
      <!--</el-table-column>-->

      <el-table-column min-width="150px" :label="$t('table.created_at')">
        <template slot-scope="scope">
          <span>{{scope.row.created_at}}</span>
        </template>
      </el-table-column>

      <el-table-column min-width="150px" :label="$t('table.updated_at')">
        <template slot-scope="scope">
          <span>{{scope.row.updated_at}}</span>
        </template>
      </el-table-column>


      <!--<el-table-column class-name="status-col" :label="$t('table.status')" width="100">-->
      <!--<template slot-scope="scope">-->
      <!--<el-tag :type="scope.row.status | statusFilter">{{scope.row.status}}</el-tag>-->
      <!--</template>-->
      <!--</el-table-column>-->


      <el-table-column align="center" :label="$t('table.actions')" width="230" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button type="primary" size="mini" @click="handleUpdate(scope.row)">{{$t('table.edit')}}</el-button>
          <!--<el-button v-if="scope.row.status!='published'" size="mini" type="success" @click="handleModifyStatus(scope.row,'published')">{{$t('table.publish')}}-->
          <!--</el-button>-->
          <!--<el-button v-if="scope.row.status!='draft'" size="mini" @click="handleModifyStatus(scope.row,'draft')">{{$t('table.draft')}}-->
          <!--</el-button>-->
          <el-button v-if="scope.row.status!='deleted'" size="mini" type="danger"
                     @click="handleModifyStatus(scope.row,'deleted')">{{$t('table.delete')}}
          </el-button>
        </template>
      </el-table-column>


    </el-table>
    <!--分页 start-->
    <div class="pagination-container">
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange"
                     :current-page="listQuery.page" :page-sizes="[2,3,30, 50]" :page-size="listQuery.limit"
                     layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </div>
    <!--分页 end-->

    <!--弹出表单 start-->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form :rules="rules" ref="dataForm" :model="temp" label-position="left" label-width="70px"
               style='width: 400px; margin-left:50px;'>

        <el-form-item :label="$t('table.userName')" prop="name">
          <el-input v-model="temp.name"></el-input>
        </el-form-item>
        <!--<el-form-item :label="$t('table.email')" prop="email">-->
        <!--<el-input v-model="temp.email"></el-input>-->
        <!--</el-form-item>-->
        <el-form-item :label="$t('table.password')" prop="password">
          <el-input type="password" v-model="temp.password"></el-input>
        </el-form-item>


      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">{{$t('table.cancel')}}</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">{{$t('table.confirm')}}</el-button>
        <el-button v-else type="primary" @click="updateData">{{$t('table.confirm')}}</el-button>
      </div>
    </el-dialog>

    <!--弹出表单 end-->

    <el-dialog title="Reading statistics" :visible.sync="dialogPvVisible">
      <el-table :data="pvData" border fit highlight-current-row style="width: 100%">
        <el-table-column prop="key" label="Channel"></el-table-column>
        <el-table-column prop="pv" label="Pv"></el-table-column>
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogPvVisible = false">{{$t('table.confirm')}}</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
  import {fetchList, fetchPv, createUser, updateUser, deleteUser} from '@/api/user'
  import waves from '@/directive/waves' // 水波纹指令
  import {parseTime} from '@/utils'

  const calendarTypeOptions = [
    {key: 'CN', display_name: 'China'},
    {key: 'US', display_name: 'USA'},
    {key: 'JP', display_name: 'Japan'},
    {key: 'EU', display_name: 'Eurozone'}
  ]

  // arr to obj ,such as { CN : "China", US : "USA" }
  const calendarTypeKeyValue = calendarTypeOptions.reduce((acc, cur) => {
    acc[cur.key] = cur.display_name
    return acc
  }, {})

  export default {
    name: 'complexTable',
    directives: {
      waves
    },
    data() {
      return {
        tableKey: 0,
        list: null,
        total: null,
        listLoading: true,
        listQuery: {
          page: 1,
          limit: 20,
          importance: undefined,
          title: undefined,
          type: undefined,
          sort: 'id'
        },
        importanceOptions: [1, 2, 3],
        calendarTypeOptions,
        sortOptions: [{label: 'ID Ascending', key: '+id'}, {label: 'ID Descending', key: '-id'}],
        statusOptions: ['published', 'draft', 'deleted'],
        showReviewer: false,
        temp: {
          id: undefined,
          name: '',
          password: ''
        },
        dialogFormVisible: false,
        dialogStatus: '',
        textMap: {
          update: '编辑',
          create: '添加'
        },
        dialogPvVisible: false,
        pvData: [],
        rules: {
          type: [{required: true, message: 'type is required', trigger: 'change'}],
          timestamp: [{type: 'date', required: true, message: 'timestamp is required', trigger: 'change'}],
          title: [{required: true, message: 'title is required', trigger: 'blur'}]
        },
        downloadLoading: false
      }
    },
    filters: {
      statusFilter(status) {
        const statusMap = {
          published: 'success',
          draft: 'info',
          deleted: 'danger'
        }
        return statusMap[status]
      },
      typeFilter(type) {
        return calendarTypeKeyValue[type]
      }
    },
    created() {
      this.getList()
    },
    methods: {
      getList() {
        this.listLoading = true
        fetchList(this.listQuery).then(response => {
          this.list = response.data.data.data
          this.total = response.data.data.total
          this.listLoading = false
        })
      },
      handleFilter() {
        this.listQuery.page = 1
        this.getList()
      },
      handleSizeChange(val) {
        this.listQuery.limit = val
        this.getList()
      },
      handleCurrentChange(val) {
        this.listQuery.page = val
        this.getList()
      },
      handleModifyStatus(row, status) {
        deleteUser(row).then(() => {
          // this.$message({
          //   message: '操作成功',
          //   type: 'success'
          // })
          this.handleDelete(row)
        })
      },
      resetTemp() {
        this.temp = {
          id: undefined,
          name: '',
          email: '',
          password: ''
        }
      },
      handleCreate() {
        this.resetTemp()
        this.dialogStatus = 'create'
        this.dialogFormVisible = true
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })
      },
      createData() {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            createUser(this.temp).then((res) => {
              console.log(res)
              this.temp.id = res.data.data.id
              this.temp.created_at = res.data.data.created_at
              this.temp.updated_at = res.data.data.updated_at
              this.list.unshift(this.temp)
              this.dialogFormVisible = false
              this.$notify({
                title: '成功',
                message: '创建成功',
                type: 'success',
                duration: 2000
              })
            })
          }
        })
      },
      handleUpdate(row) {
        this.temp = Object.assign({}, row) // copy obj
        // this.temp.timestamp = new Date(this.temp.timestamp)
        this.dialogStatus = 'update'
        this.dialogFormVisible = true
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })
      },
      updateData() {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            const tempData = Object.assign({}, this.temp)
            // tempData.timestamp = +new Date(tempData.timestamp) // change Thu Nov 30 2017 16:41:05 GMT+0800 (CST) to 1512031311464
            updateUser(tempData).then(() => {
              for (const v of this.list) {
                if (v.id === this.temp.id) {
                  const index = this.list.indexOf(v)
                  this.list.splice(index, 1, this.temp)
                  break
                }
              }
              this.dialogFormVisible = false
              this.$notify({
                title: '成功',
                message: '更新成功',
                type: 'success',
                duration: 2000
              })
            })
          }
        })
      },
      handleDelete(row) {
        this.$notify({
          title: '成功',
          message: '删除成功',
          type: 'success',
          duration: 2000
        })
        const index = this.list.indexOf(row)
        this.list.splice(index, 1)

      },
      handleFetchPv(pv) {
        fetchPv(pv).then(response => {
          this.pvData = response.data.pvData
          this.dialogPvVisible = true
        })
      },
      handleDownload() {
        this.downloadLoading = true
        import('@/vendor/Export2Excel').then(excel => {
          const tHeader = ['timestamp', 'title', 'type', 'importance', 'status']
          const filterVal = ['timestamp', 'title', 'type', 'importance', 'status']
          const data = this.formatJson(filterVal, this.list)
          excel.export_json_to_excel({
            header: tHeader,
            data,
            filename: 'table-list'
          })
          this.downloadLoading = false
        })
      },
      formatJson(filterVal, jsonData) {
        return jsonData.map(v => filterVal.map(j => {
          if (j === 'timestamp') {
            return parseTime(v[j])
          } else {
            return v[j]
          }
        }))
      }
    }
  }
</script>
